23:00
1 of 5
Higher
Non-calculator
A5 Using formulae and changing the subject
Question 1 · 5 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec A5
Original practice question
Answer and supported method checks
y
=
2
x
+
1
x
−
3
y = \dfrac{2x + 1}{x - 3}
y
=
x
−
3
2
x
+
1
(a)
Make
x
x
x
the subject of the formula.
4 marks
y
xⁿ
a/b
√
π
(
)